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using Cmpp298.Assignment3.Domain;
using Cmpp298.Assignment3.Dto;
using Cmpp298.Assignment3.Task;
namespace Cmpp298.Assignment3.Presentation {
public class EditInvoicePresenter {
private readonly string _invoiceId;
private readonly IEditInvoiceView _view;
private readonly IInvoiceTask _task;
private readonly ITermTask _termTask;
public EditInvoicePresenter( string invoiceId, IEditInvoiceView view )
: this( invoiceId, view, new InvoiceTask( ), new TermTask( ) ) {}
public EditInvoicePresenter( string invoiceId, IEditInvoiceView view, IInvoiceTask task, ITermTask termTask ) {
_view = view;
_task = task;
_termTask = termTask;
_invoiceId = invoiceId;
}
public void Initialize( ) {
_view.TermsDropDown.BindTo( _termTask.GetAll( ) );
UpdateViewFrom( _task.GetInvoiceBy( _invoiceId ) );
}
public void UpdateInvoice( ) {
if ( IsValidInput( ) ) {
_task.UpdateInvoice( CreateDtoFromView( ) );
}
else {
_view.ShowError( "Invalid input detected" );
}
}
private void UpdateViewFrom( DisplayInvoiceDto dto ) {
_view.VendorName = dto.VendorName;
_view.InvoiceNumber = dto.InvoiceNumber;
_view.InvoiceDate = dto.InvoiceDate;
_view.InvoiceTotal = dto.InvoiceTotal;
_view.PaymentTotal = dto.PaymentTotal;
_view.CreditTotal = dto.CreditTotal;
_view.DueDate = dto.DueDate;
_view.PaymentDate = dto.PaymentDate;
_view.TermsDropDown.SetSelectedItemTo( dto.Terms );
}
private bool IsValidInput( ) {
AmountEntrySpecification specification = new AmountEntrySpecification( );
return
specification.IsSatisfiedBy( _view.CreditTotal )
&& specification.IsSatisfiedBy( _view.PaymentTotal )
&& specification.IsSatisfiedBy( _view.InvoiceTotal );
}
private UpdateInvoiceDto CreateDtoFromView( ) {
return
new UpdateInvoiceDto( _invoiceId, _view.InvoiceNumber, _view.InvoiceDate, _view.InvoiceTotal, _view.PaymentTotal,
_view.CreditTotal, _view.DueDate, _view.PaymentDate, _view.TermsDropDown.SelectedItem.Value );
}
}
}
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